MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 19


Intelligence 19 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b
SHA3-384 hash: b46cbf4324f819863616457e22297915291cd2bf3b7c3d60b3da64103726871fab53d2f6fa83e9618a8a7cbaf81a1a5b
SHA1 hash: 83a1eccb0e2ca25727eb0205e19572faba2b80ba
MD5 hash: abcf66db239936aaf9752c856a0fbe4d
humanhash: salami-edward-wyoming-hawaii
File name:PO 18-7 309.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'010'688 bytes
First seen:2026-01-19 07:04:09 UTC
Last seen:2026-02-05 15:21:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'692 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 24576:W8f0ZLGpmtqHMb6SQ4145kk1l43lPuJL4E/Yy0:RMqpA6NAigGL4mP0
Threatray 2'532 similar samples on MalwareBazaar
TLSH T1A2250168366AD713C52507B909A0F274477E2D9FFA51E2470EE9BFEF7470B084980A63
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9e3f5cb3-5e6a-4900-8d96-6455357769cc/
Malware family:
n/a
ID:
1
File name:
_e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b.exe
Verdict:
No threats detected
Analysis date:
2026-01-19 07:06:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9e0737d6-8ffc-4feb-b6c7-01889c740fd1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/49299/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=696dd779f3cf908ba5063f0b
Tags:
shell virus msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt davinci formbook krypt packed phishing snakekeylogger
Link:
https://www.filescan.io/uploads/696dd775584f1963ad5b1c3a/reports/dab4fe3a-47d6-41d2-9aff-65421a1ef5d8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-18T23:02:00Z UTC
Last seen:
2026-01-21T04:22:00Z UTC
Hits:
~100
Detections:
VHO:Backdoor.Win32.Agent.gen BSS:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest HEUR:Trojan.MSIL.Crypt.gen Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb
Link:
https://opentip.kaspersky.com/e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b/results?tab=lookup
Malware family:
KeyBase
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8bfc19db-20e3-4351-b33c-ac6435ee7b1c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1853158
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853158 Sample: PO 18-7 309.exe Startdate: 19/01/2026 Architecture: WINDOWS Score: 100 40 www.serino.life 2->40 42 www.neurononline.ru 2->42 44 22 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 9 other signatures 2->58 11 PO 18-7 309.exe 5 2->11         started        signatures3 process4 file5 36 C:\Users\user\Desktop\PWB.dll, PE32 11->36 dropped 38 C:\Users\user\AppData\...\PO 18-7 309.exe.log, ASCII 11->38 dropped 68 Adds a directory exclusion to Windows Defender 11->68 15 PO 18-7 309.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 70 Maps a DLL or memory area into another process 15->70 20 TaENJ680v7.exe 15->20 injected 72 Loading BitLocker PowerShell Module 18->72 22 conhost.exe 18->22         started        process9 process10 24 wscript.exe 13 20->24         started        signatures11 60 Tries to steal Mail credentials (via file / registry access) 24->60 62 Tries to harvest and steal browser information (history, passwords, etc) 24->62 64 Modifies the context of a thread in another process (thread injection) 24->64 66 4 other signatures 24->66 27 8hIoZzbRmpO.exe 24->27 injected 30 chrome.exe 24->30         started        32 firefox.exe 24->32         started        process12 dnsIp13 46 an05-prod-w.cdn-ng.net 23.226.62.244, 49716, 49717, 49718 XIAOZHIYUN1-AS-APICIDCNETWORKUS United States 27->46 48 www.serino.life 104.207.95.36, 49720, 49721, 49722 WINNE-IPV4-1US United States 27->48 50 13 other IPs or domains 27->50 34 WerFault.exe 4 30->34         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.49 Win 32 Exe x86
Link:
https://app.malva.re/file/abcf66db239936aaf9752c856a0fbe4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 01:49:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zfugff7r4chdkr5fw4rvwkjwpui4oiiauso2yj7lihb7uu6db5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
172c3076e5d6bfe9089a1e092d1286e77337bc3680db32539e3a7bf69b7d0560
Formbook
278904b1e6a6d848e3b14319363d95f01e498acf139bc9f8d5c346ed3d0ec9fb
Formbook
3cfece15de5fb0b83d7474185dc8860f39cdd123c05f2546ada90a2f94f355ef
Formbook
4eef5964d4be888f65a3410d0f60fd3559021aff06bf1448c919e294b7ecb72e
Formbook
5aa4328001eb57a54a716ba3c7f0fa7f6b8c390828ea8b33a3c85dfb2838a512
Formbook
84c57dde048ad0f1bd21e753fecf2dfe6d8cfc4b5a6baf85a0c99b3fd5cfb68a
Formbook
8c07a168b11c30dffb306605a02039ca58803c7fb511127f673d29f84d57bd37
Formbook
df520418cf167ad7a21b89d8042c6fda139fdd32159ebca27d6fc128bf1cbcd3
Formbook
e4ff62b66b02a6f78870344b002d83ae80391d1cc0b1651085f23f28d41f027b
Formbook
+ 2'522 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260119-hv2h9scv3e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/edbc985b-2098-4f27-9e4e-2732a1233289
Unpacked files
SH256 hash:
e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b
MD5 hash:
abcf66db239936aaf9752c856a0fbe4d
SHA1 hash:
83a1eccb0e2ca25727eb0205e19572faba2b80ba
Link:
https://www.unpac.me/results/2b0112da-c79d-4af4-81af-e98123e30f37/
SH256 hash:
af9df7869b1db94a7cc4e8016d249f632d6ab4fa7d702e04537eac083fbb81fb
MD5 hash:
cfc9f2870a553301a3eec77e8d5e87eb
SHA1 hash:
1c449f45c455173ddb1749fa439c68647ffa180f
Link:
https://www.unpac.me/results/2b0112da-c79d-4af4-81af-e98123e30f37/
SH256 hash:
f615401d5efc42d4beffda04a66562640a02abdeef8f82a788cb1041efc94880
MD5 hash:
946f9bba7c596fb91e59f0d174ac0c58
SHA1 hash:
37b373e410875dc266b266c7fee1ef77a36f1d85
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/2b0112da-c79d-4af4-81af-e98123e30f37/
Parent samples :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 hash:
34bd8f26cbff52646b2703dd521f7a3609af661541fcbadc575e25547b6e6a34
MD5 hash:
12919ab00fa92b082be28d1816cc0045
SHA1 hash:
84a4ae1bd3dc8510b964b9db4f1f46dcf40e7852
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2b0112da-c79d-4af4-81af-e98123e30f37/
SH256 hash:
3b93c571afd9c16ce4ca5a0bd54a7c786fae9f131d767eed9bf0ef146ea08505
MD5 hash:
8a683d9eed5ea202828d4261eb03b981
SHA1 hash:
f13153d13b74b6215504ac50eca8e8974c270079
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2b0112da-c79d-4af4-81af-e98123e30f37/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e64b4314bf8f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe e64b4314bf8f0471aa3d2db91ad949b3e88e39080524ed613f5a0e1fd29e187b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/49299/

Comments